Class Notes (810,969)
Canada (494,410)
Psychology (2,022)
PSYC 314 (82)

Psyc 314 what is stress.doc

3 Pages
Unlock Document

University of British Columbia
PSYC 314
Frances Chen

Psyc 314: What is Stress? Physical stress: ex. being threatened by a predator, physical assault. Physical stress is more common in animals than in humans. Physical stress activates biological processes (when you are being threatened you sweat, heart beat quickens, etc.) Psychological stress: ex. exams, relationships, post traumatic (PTSD), family illness (illness by proxy), most stress we face is psychological, psychological stressors cause a response in biology (evolution causes non-physical stressors to have the same effect on our biological systems as physical stress does) More typical in modern human society Have preserved the physical stress biological Response, but now use it for psychological stressors Historical perspectives: Cannon: fight or flight response activates the sympathetic nervous system leads to the release of norepinephrine, serotonin, etc. quick response is adaptive But prolonged response disrupts emotional and physiological functioning If this response lasts for a long period of time, it can be detrimental (in animals they fight, or they run and escape and the stress only lasts for a few minutes) Seyle: GeneralAdaptation Syndrome: stressors all evoke a similar response in the body; there is a release of cortisol in response to all stressors Alarm: initial response to event Resistance: keeps up for a period of time Exhaustion: body unable to cope with the threat for any longer. Can lead to illness Tend and Befriend: researcher thought that sometimes during stressful times people congregate with other people and to take care of their children. When something bad happens you tend to try and protect their loved ones. Social support might help you. Oxytocin is related to it. Thought to promote social behaviours in times of stress Acute stress: something very concrete that happens, an onset and offset. Threatening in the moment with no long term consequences (ex. natural disasters). Can be useful and beneficial as our bodies are well suited for it, and it is adaptive when the stress is short lasting Zebra being chased down in the savannah Our bodies well suited for short-term physical emergencies Stress adaptive in the short term Can be detrimental in the long term Chronic stress: ex. working at a stressful job, financial obligations which someone has to keep up with, illness, harsh environmental living conditions. Ongoing stress which has no end in sight. Acute and Chronic Stress in Asthma: - Sandberg et al., Lancet (2000) Considered severe negative life events Acute vs. chronic stress Outcome: likelihood of having asthma attack - peak flow rate < 70% of usual 18 month prospective study Researchers looked to see if a child who hasAsthma also had negative life events. Temporal Resolution (you need to find what comes first, the stress or theAsthma increasing in strength). Lancet (2000) got kids to blow in order to see their lung function in order to see if they got asthma attacks that day. Then they asked them if they had a stressful life event, and when it happened Hypothesis/ Questions: if you experience an
More Less

Related notes for PSYC 314

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.